Table des Matières
Publicité
GV 27 EURO, GV 7... EURO
Reference
Oscillograms ....4-38
AF....................4-29
25
26
27
28
29
3780
1
SDA
I2C Bus
Control
5,1V
100E
2780
10u
2
4,1V
16V
2781
3
10n
3,4V
27
25V
3922
2782
GNDA
4
2,6V
100n
0E
delete for TDA9800T MONO 2Scart
25V
2783
5
for TDA9800T MONO 2Scart only
820p
2,6V
12SW
VDD
2%
25V
6
Ref.
Vref
Voltage
2,6V
3723
3790
2786
7
L+R
4u7
220k
4k7
2,6V
16V
2752
7725
2787
8
2R
BC847B
220n
(Buffer)
4u7
25V
25V
2,6V
GNDA
*
2791
9
4u7
2,6V
16V
3792
GNDA
*
2792
10
4k7
4u7
2,6V
16V
Vref
*
GNDA
*
A
GNDA
5VASW
5VASW
5VD
GNDA
12SW
28
GNDA
1,9V
7723
BC857B
(Buffer)
1970
GNDA
(QNIC)
...
OSCILLOGRAMS
...V MEASURED IN PLAYBACK MODE
chip components
...
SEC DK,K'
BG = H
EC DK = L
TO CINCHIN
TO CINCHREAR
VFV
to IO
25
26
27
28
29
GRUNDIG Service
Circuits imprimés et des schémas électriques / Layout of PCBs and Circuit Diagrams
AL ....................4-25
FV....................4-21
IO.....................4-27
QMB ................4-15
DC ...................4-35
FM ...................4-24
OS ...................4-24
QNIC ...............4-36
DE ...................4-33
HA ...................4-30
PS....................4-31
VP....................4-24
30
31
32
33
34
AFC
to DE/DC
SDA
to/from DE/DC
3781
SCL
20
SCL
5,2V
100E
from DE/DC
Ctrl
Logic
1781
19
PLL
Osc.
Integr.
3,4V
5VASW
10MHz
Demod.
GNDA
18
VDD
Vref
5,2V
2789
17
2,6V
10n
25V
GNDA
16
GND
0V
GNDA
15
2790
Level
Ctrl
Adj.
2,6V
10n
25V
2L/A/MONO
14
x2
2,6V
2R/B
13
2,6V
12
11
7780
TDA9840T/V2
(Stereodecoder)
FM STEREO only
*
3985
AF2
0E
to AF
*
3984
AF1
0E
to AF/IO
91
2796
4u7
16V
for mono only
GNDA
5VASW
5VASW
from PS
12SW
12SW
from PS
5VA
5VA
from PS
33V
33V
from PS
GNDA
FV(40393)
30
31
32
33
34
GV 27 EURO, GV 7... EURO
VS....................4-25
Circuit principal / Chassis Board – OSD (OS), Selon TV / Follow-TV (FM), VPS/PDC (VP)
VS-S ................4-28
1701 K 3
3923 J
1719 E15
3924 P
1720 H14
3925 G
B
1721 I14
3926 I
1722 M14
3950 N
3972 G
1740 N19
1745 K22
3973 L
1746 L22
3984 I
1747 M22
3985 I
1748 K22
3986 M
1781 E33
3988 E
C
1908 P11
3989 L
1910 P10
3990 D
5700 K
1975 K30
2700 K 4
5702 P
2701 P 4
5703 J
2702 P 6
5705 P
2704 K 3
5720 M
2705 P 5
5721 L
2706 L11
5725 E
D
2707 M11
5726 K
5740 M
2708 K 6
2710 P 7
5741 M
2715 O 8
5780 F
6760 E
2716 O 8
2722 K10
6761 F
2723 N15
7720 G
2726 H24
7721 F
E
2727 G23
7722 O
7722 O
2728 H24
2729 I25
7722 P
2730 K22
7723 K
7724 M
2731 L22
2732 M22
7725 G
2733 M23
7726 C
2734 K25
7728 M
2735 K22
7729 G
F
7730 F
2740 N18
2741 K19
7731 N
2742 L17
7780 H
9005 O
2743 I23
2744 I24
2745 M20
2746 E17
2747 F23
G
2748 E19
2749 E17
2750 E17
2751 K17
2752 G25
2753 D14
2780 E28
2781 E28
2782 F28
H
2783 F28
2784 E27
2785 F28
2786 G28
2787 G28
2788 E33
2789 F33
2790 F33
I
2791 H28
2792 H28
2793 M19
2794 P 6
2795 K10
2796 J31
3702 N 9
3703 O 9
J
3704 I16
3705 P 6
3706 J16
3707 M 9
3708 M 9
3709 L10
3712 L13
3715 M13
3723 G25
K
3725 J 5
3726 K 7
3729 H26
3730 E24
3731 F24
3732 E17
3735 E17
3736 H25
L
3737 G24
3739 G26
3742 K17
3744 O17
3747 N20
3748 D21
3749 M20
3750 N20
3760 K23
M
3761 K25
3762 L24
3764 K24
3765 M23
3766 E13
3767 F13
3768 G13
3769 E14
N
3770 F14
3771 E14
3772 O23
3773 L12
3780 D28
3781 D33
3782 G28
3790 G27
O
3791 G27
3792 H27
3793 H27
3910 K18
3911 K18
3912 K19
3913 K19
3914 J 2
3915 M19
3916 M21
3917 N22
P
3918 J22
3919 J17
3922 F25
4 - 23
GRUNDIG Service
Circuits imprimés et des schémas électriques / Layout of PCBs and Circuit Diagrams
4 - 24
Publicité
Table des Matières
